{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "204686499",
    "entityType": "User",
    "nonce": "0x00dcd53efd7f36969b98850b9d58fd4f09276115f1291086b84402b0e1e7b2a0",
    "signature": "0xaa37791b2ffd15b4435b87780d92a3916bac53eeaa7a1a27b838c315924aad424da1142111fc89389a0f516b9271c791bef1b1a2e0cb1e83573d3310eda9730b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}